• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Measuring device for physical magnitudes on electric conductors, comprising a housing able to be mounted on the exterior of the conductor by means of gripping and fixing means, a metallic punch that can be locked in the metallic core of the conductor for taking measurements, and an electronic of sensorization associated with a printed circuit board, where the metallic punch passes through, in a tight manner, a support base, the sensorization electronics integrated by encapsulated measuring chips with modular multi-chip technology being fixed on the outside of said support base ( mcm). The measuring device is used in a remote control and remote management system of an electrical installation, to optimize the conditions of safety, consumption, energy efficiency, predictive maintenance and co2 emissions, all in industrial plants, buildings and homes. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2611994A1
    申请号:ES201531632
    申请日:2015-11-11
    公开日:2017-05-11
    发明作者:Vicente Rodilla Sala；Sandra RODILLA VALERO
    申请人:Vicente Rodilla Sala；Sandra RODILLA VALERO；
    IPC主号:
    专利说明:

    DESCRIPTION

    Measuring device of physical quantities on electrical conductive cables with outer perimeter insulation.
     5
    OBJECT OF THE INVENTION

    The present invention is encompassed in the field of electrical installation equipment. Specifically, with a device suitable for mounting on an electrical conductor cable with outer perimeter insulation, thermoplastic type or other material, to perform 10 measurements of physical quantities on the core of said conductor cable, such as temperature, mechanical vibrations , magnetic field, amperage, voltage; among other magnitudes that allow to assess, both the real-time state of the power grid, and predict states of the same that you want to avoid; as for example, inappropriate variations in the temperature of the conductor cable due to an excessive density of current [A / mm2]; or in the power consumption in [kW] of the load in the network; or in vibrations caused by bearings in poor condition. All this in order to optimize the energy efficiency of said load in the installation, its predictive maintenance, have knowledge of technical alarms, avoid overloads, overconsumption, shunts or other incidents in the load that affect both the manufacturer of said load and the user of the same, and even, to the electricity supply company.

    The measuring device of the present invention is capable of being part of a remote control and management system of an electrical installation; which constitutes a useful expert system in remote predictive tele-management of technical alarms that may occur, for example, in an industrial plant, building or smart home, etc.

    BACKGROUND OF THE INVENTION

    Various programmable devices are known that monitor the electrical consumption, the 30 of which allow automatic and real-time monitoring of the electrical consumption in a home, premises, or any type of enclosure, enabling the control of the total consumption of the complete installation or of A certain area. These known devices have means for measuring instantaneous consumption values, means for selecting and storing different levels of consumption, means for indicating the 35 different levels of consumption, all of which are governed by means of control and processing.

    However, these known devices only allow current and voltage to be measured in the conductor cable to control the electrical consumption at any moment, intervening on the ends of the cables or by cutting and stripping their insulation at some point in their laying. To this is added that there are other physical quantities that are crucial to measure in the conductor cable 5 with a view to monitoring the state of the electrical installation; as for example, temperature, mechanical vibrations, magnetic field, among other magnitudes necessary to diagnose incidents on the load that could affect both the manufacturer of said load, as well as the user of the same, as well as, the electricity supplier itself.
     10
    On the other hand, the infrastructures associated with electricity distribution as a telecommunications network are increasingly used, through the use of so-called power line communication (PLC) technologies (abbreviations in Power Line Communication). Thus, household plugs and industrial power lines of end users have become authentic access points to a network of telecommunications.

    With all this, and based on the technology currently known, it is necessary to design a device that overcomes the disadvantages of the state of the art mentioned above and solves the current associated problems, improving safety and quality of life, as well as environmental sustainability

    On the part of the applicant, after carrying out an exhaustive international search, no physical magnitude measuring device was found on an electric conductor cable with outer, thermoplastic or similar perimeter insulation, which shows about 25 characteristics similar to those presented by the invention here. It is recommended.

    DESCRIPTION OF THE INVENTION

    The present invention is established and characterized in the independent claims, while the dependent claims describe other features thereof.

    The object of the invention is a device capable of measuring physical quantities on electrical conductive cables with outer perimeter insulation, usually of thermoplastic type or the like, for monitoring, for example, of temperature,
    mechanical vibrations, the current, the voltage, the magnetic field, etc., on any point of an electric conductor cable laying, without the need to cut or strip said cable, and without interrupting the power supply through the wiring, in addition to not it is not necessary to intervene or manipulate inside the electrical protection panels; said device being in turn capable of being part of a remote control and management system of an electrical installation. The device can be installed both before and after a frequency inverter or other type of load management or control system, given that the device has the necessary protections and adequate electrical measurement algorithms.
     10
    The technical problem to be solved is to monitor the real physical state at any point of the conductive cables of the electrical installations, knowing, in real time, the values of physical quantities such as the temperature in [ºC], [ºF] or another unit; the magnetic field in [Gauss], [Teslas] or another unit; the voltage in [V]; the electric current in [A]; the actual Cos Phi per phase with a receiver, without suffering the interference caused by the reactive power from other loads, as happens when measuring in the current electrical panels; as well as the instantaneous and accumulated electrical consumption of the connected loads (current density in [A / mm2], power in [kW], CO emission

    in [kg / h] or [Ton / month], harmonics, microcuts, energy in [kWxh], etc .; that allow technical alarms to be detected and resolved instantly by remote predictive tele-management thereof,
    20 for example, using a web platform with self-learning (expert cloud computing system).

    An advantage of the invention in relation to claim 1 is that it exactly fulfills the object of the invention, since the configuration of the sensor electronics with physical magnitude measurement chips 25 encapsulated with multi-chip modular technology (MCM) ( acronym in English of Multi-Chip-Module), as well as, its arrangement just outside a support base from where it supports and drills a sharp metal punch that acts as a sensor of various physical quantities (temperature, vibration, voltage, etc.) , penetrating to the metallic core of the electrical conductor cable, allows to leave the shortest possible distance, for example, between the temperature measurement chip and the tip of said metallic punch, whereby possible variations or dissipations are limited or minimized between the values of the measured physical quantities and the conditions that actually exist inside and on the periphery of the metallic core of the conductor cable the ctrico.
     35
    Another advantage in relation to claims 2 to 6 is that it is possible to obtain measurements of temperature, mechanical vibrations, magnetic field, current and voltage respectively, in addition to the waveform, in the electric conductor cable, useful for determining and assess the real state of the electrical installation, as well as, to predict the states of the same that you wish to avoid (remote predictive remote maintenance). 5

    Another advantage in relation to claim 7 is that measurements of other complementary physical-chemical parameters that can be detected outside the electrical conductor cable are achieved and also be subject to diagnosis of technical alarms in the installation. 10

    Another advantage in relation to claim 8 is that the fact of providing the metal punch with a threaded portion that threaded into the support base of said metal punch makes it possible to more accurately regulate the enclave and penetration thereof into the metallic core of the conductor cable electrical, assuming better the different thicknesses of insulation that vary from one conductor cable to another, depending on its metal section in mm2, its outer diameter and / or its manufacturer.

    Another advantage in relation to claims 9, 10 and 11 is that it is possible to form an insulated dielectric path or tunnel to slide the metal punch, through the outer perimeter insulation 20 of the electrical conductor cable. Since in many cases said insulation incorporates in its interior a metallic mesh of reinforcement and / or electromagnetic isolation, whereby, said mesh is prevented from having contact with the metal punch, which would cause a short circuit between said mesh and the core metallic inside the electrical conductor cable. 25

    Another advantage in relation to claims 12 and 13 is that the device is mounted on the perimeter of any electrical conductor cable regardless of the diameter that is manufactured, in a safe and permanent manner, allowing measurements of physical quantities to be carried out without interruptions due to decoupling between the device and the electrical conductor cable that feeds it; that is to say without production stops and / or comfort reductions.

    Another advantage in relation to claim 14 is that the actuation on the metal punch is facilitated for interlocking in the metal core of the electrical conductor cable. 35

    Another advantage in relation to claim 15 is that it is facilitated to send / receive data between the measuring device and the control unit of the remote control system of the installation, through the electrical network itself.

    Another advantage in relation to the use of the measuring device in a control system and management of an electrical installation is that it is possible to form an entire expert system in cloud computing (acronym in cloud computing), with learning capacity, for the remote predictive tele-management of the electrical installation, with a view to optimizing its energy efficiency, carrying out predictive maintenance, instantaneously solving technical alarms, avoiding power surges, over-consumption of 10 energy, as well as, eventual shunts or electrical leaks in the load (receiver).

    DESCRIPTION OF THE FIGURES

    The present specification is complemented with a set of illustrative figures of the preferred and never limiting example of the invention.

    Figure 1 represents a front sectional view of the physical magnitude measuring device mounted on an electric conductor cable.
     twenty
    Figure 2 represents an enlarged detail of Figure 1, of the gripping and anchoring zone of the device to the electric conductor cable, before firing or percussion of the conduit of dielectric material towards said conductor cable.

    Figure 3 represents an enlarged detail of Figure 1, of the gripping and anchoring zone of the device to the electric conductor cable, after the firing or percussion of the conduit of dielectric material towards said conductor cable.

    Figure 4 represents a schematic perspective view of the sensor electronics fixed to the support base of the metal punch and associated with the printed circuit board 30.

    Figure 5 is the same as Figure 4, but showing a second embodiment of the metal punch with a threaded section that threaded into the support base.
     35
    Figure 6 represents an enlarged detail of a first embodiment of the metal punch interlocking tip shown in any of the previous figures.

    Figure 7 represents an enlarged detail of a second embodiment of the metal punch interlocking tip shown in any of the figures from 1 to 6. 5

    Figure 8 represents a block diagram of the remote control system of an electrical installation including the magnitude measuring device of Figure 1.

    DETAILED EXHIBITION OF THE INVENTION 10

    A preferred, descriptive and non-limiting embodiment of the invention is set forth below with support in the figures.

    As shown in Figure 1, the physical magnitude measuring device (1) on an electric conductor cable (2), the latter, provided with an outer perimeter insulation (2.2), for example, of the thermoplastic type or the like, comprises :

    - a housing (10), for example, made of plastic, which can be mounted on the outside of any electrical conductor cable (2) regardless of its outer diameter, 20
    - a metal punch (3) interlockable in the metal core (2.1) of the electrical conductor cable (2), passing through the outer perimeter insulation (2.2) of said conductor cable (2),
    - a printed circuit board (4) comprising a modem (5) that sends / receives data through coded signals, preferably, said modem (5) comprises electric cable communication technology (PLC) and the coded signals are sent / receive 25 through the electrical conductor cable (2) where the metal punch (3) is interlocked, and
    - a sensor electronics (6) and data processing of various physical quantities, associated with the printed circuit board (4).
          30
    Preferably, as can be seen in Figures 2 and 3, the mounting of the measuring device (1) to the electric conductor cable (2) is carried out by means of gripping and fixing (10.1) of the housing (10); which comprise a pivoting arm (10.11) in the form of a "hook" that hugs and holds said conductor cable (2) against a "V" shaped settlement (10.2) of a housing body (10.2) of the housing (10) of the device (1), 35 for self-centering.

    Likewise, it is preferred that the pivoting arm (10.11) be attached to the housing body (10.2) by means of a pivot shaft (10,111) with a locking mechanism (11) of the ratchet-toe type, through which, the device (1) is adjusted and fixed to the corresponding outer diameter of the electrical conductor cable (2). 5

    The combination of the settlement (10.21) in the form of "V" and the pivoting arm (10.11) in the form of a "hook" with the locking mechanism (11) allows a solid and tight fixation of the measuring device (1) to the conductor cable electric (2), regardless of the outer diameter of the latter. 10

    As for the metal punch (3), it is preferred that it slides inside a conduit of dielectric material (8), for example, ceramic, carbon fiber, or any other dielectric material of high hardness and high strength, with its free end in the form of a "needle", that is, a sharp point shaped like a "flute nozzle". fifteen

    Before interlocking the metal punch (3) in the metal core (2.1) of the conductor cable (2), the conduit of dielectric material (8) is fired or radially tapped into said conductor cable (2) when released a pushing means (9), for example, a spring (9.1), such as that shown in Figures 1 and 2, or a gas piston 20 (9.2), such as that shown in Figure 3; in any case, said pushing means (9) is initially prestressed or retained by means of a preload inside the housing (10). See figure 2.

    The release of the pushing means (9) can be performed manually or automatically after the locking mechanism (11) of the pivoting arm (10.11) has been operated; for example, by pushing the housing assembly that forms the housing (10) (pivoting arm (10.11) plus housing body (10.2)) of the device (1) against the electric conductor cable (2), the latter, positioned against the V-shaped settlement (10.21) of the housing body (10.2). Then, when the conductor cable (2) between the pivoting arm (10.11) and the settlement (10.21) of the housing (10) is firmly held down and the thrust means (9) is released, the sharp conduit of dielectric material (8) ) fires against said electrical conductor cable (2), crossing all the insulation and protection layers or metal reinforcement and / or electromagnetic insulation mesh (2.21) that could form the outer perimeter insulation (2.2) of said conductor cable (2.2). 2), to establish a dielectric tunnel between the sensor electronics
    (6) of the device (1) and the metal core (2.1) of the conductor cable (2), without the possibility of short circuits with said metal mesh (2.21) that could wrap said electrical conductor cable (2).

    That is, as shown in Figure 3, as the outer perimeter insulation 5 (2.2) of the electrical conductor cable (2) passes through, the conduit of dielectric material (8) forms a dielectric passageway for the metal punch ( 3). In this way, the metal punch (3) is isolated from a possible metal mesh (2.21) arranged inside the outer perimeter insulation (2.2) of some electrical conductor cables (2). Thus, short circuits between the mesh (2.21) and the metal core (2.1) of the electrical conductor cable (2) are avoided. 10

    Likewise, as shown in Figures 4 and 5, the metal punch (3) comprises a sharp interlocking tip (3.3), followed by a central portion (3.1). The latter is disposed through, in an adjusted manner, a support base (7) of said metal punch (3) that is fixed to the electronic plate (4) inside the housing (10) of the measuring device (1).

    Thus, the metal punch (3) can slide, tightly, through the support base (7), the latter, allows to hold the metal punch (3) while interlocking in the metal core (2.1) of the conductor cable (2) , while ensuring the continuity (both electrical and thermal) necessary for the sensor electronics (6) to make the corresponding measurements of the physical quantities in the metal core (2.1).

    In a preferred embodiment, shown in Figures 1, 2, 3 and 5, the central portion (3.1) of the metal punch (3) comprises a threaded section (3.11) that screws into the support base (7). 25 Thus, it is possible to more accurately regulate the enclave and penetration of the metal punch (3) in the metal core (2.1) of the electrical conductor cable (2).

    Preferably, the metal punch (3) comprises, at the opposite end of the locking tip (3.3), a drive head (3.2), adapted to receive the tip of a screwdriver or other manual or automatic tool (not shown in the figures). The actuation on said head (3.2) causes the metal punch (3) to slide through the support base (7) and the dielectric material conduit (8) for its penetration and interlocking in the metal core (2.1) of the cable electric conductor (2). The measuring device (1) may include a conventional optical indicator, led type or similar (not shown in the figures), to inform that the metal punch (3) has contacted the metal core
    (2.1) of the conductor cable (2) and there is continuity for reading the temperature, vibration, electrical voltage and, if necessary, PLC communication.

    On the other hand, the interlocking tip (3.3) of the metal punch (3) can comprise non-slip projections, for example, formed in a truncated conical shape (3.31) or of a 5 thread of the type thread plate (3.32), see figures 6 and 7 respectively, with a view to preventing its unlocking of the metal core (2.1), for example, by vibrations or thermal contractions.

    Preferably, the metal punch (3) is formed, for example, of copper alloy or any other, with a hardness and mechanical strength, which ensures adequate penetration into the metal core (2.1) of the electric conductor cable (2) and a high electrical-thermal conductivity, but, of such composition, that does not generate galvanic current with the copper or other material of said metallic core (2.1) of the conductive cable (2), avoiding its corrosion or wear. fifteen

    In this way, the device (1) is ready for taking measurements, as well as for sending and receiving coded signals, preferably, by means of electric cable communication technology (PLC) to a control unit (14) of the system remote management of an electrical installation (13) to which said measuring device 20 (1) is incorporated. See figure 8.

    On the other hand, as can be seen in figures 4 and 5, the sensor electronics (6) are fixed on the outside of the support base (7) of the metal punch (3), that is, the electronic elements that perform the measurement of at least one physical quantity in the electrical conductor cable 25 (2). The sensor electronics (6) comprise measurement chips (silicon / DIES), encapsulated with multi-chip module technology (MCM). Thus, it is guaranteed that the chips that make up the sensing electronics (6) are as close as possible to the interlocking tip (3.3) of the metal punch (3), limiting or minimizing possible variations or dissipations between the values of the quantities Physical measurements and the 30 conditions that really exist in the electrical conductor cable (2).

    Preferably, the sensor electronics (6) may comprise at least one, all, or any combination of the following electronic elements:

    - a thermal chip that performs temperature measurements; for example, capable of measuring the thermal-temporal gradient that exists at different depths or radii of the electrical conductor cable (2),
    - an accelerometer and gyro chip that measures mechanical vibrations in the electric conductor cable (2) from motors, pumps or other electrical loads 5 connected to the sensorized electrical conductor cable (2),
    - an inductometer chip that performs 3D magnetic field measurements on the electrical conductor cable (2) for magnetographic, analog and digital representation,
    - a magneto-resistive chip that measures values of the current flowing through the electric conductor cable (2) as a function of the electrical resistance or impedance caused by the magnetic field induced by the current of said electric conductor cable (2), Y
    - an electrical network analyzer chip that integrates the voltage, intensity and waveform measurements, measured in the electrical conductor cable (2); including the corresponding harmonics and possible micro-cuts of power supply.
     fifteen
    Likewise, the sensor electronics (6) could comprise at least one chip that measures smoke, ionizing radiation, gas parameters, liquids, solids, such as weight, pressure, humidity, flow, density, viscosity, colorimetry , and / or luminosity outside the electrical conductor cable (2) or others necessary in the installation.
     twenty
    Similarly, the sensor electronics (6) could comprise a geodetic positioner (GPS), for the geolocation of the device (1), whether by cell phone, satellite or other similar means.

    In any case, it is preferred that, between the support base (7) of the metal punch (3) and the sensor electronics (6), a dielectric means (12) is arranged, which guarantees a high thermal conductivity between said parts, by for example, for temperature measurements, at the same time as isolating from electrical voltage to electronics (6), in compliance with international safety and electromagnetic compatibility standards. 30

    On the other hand, the power supply of the measuring device (1) is preferred to be through the metal punch itself (3) with the voltage of the electrical conductor cable (2) to which it is coupled, through a switched source or Similary. However, another form of external power could be provided, known in the state of the art. 35

    Figure 8 shows the remote control and management system of the electrical installation (13) comprised of at least one measuring device (1) described above measuring physical quantities on an electric conductor cable (2) of said installation (13).

    The physical quantities measured by the measuring device (1) are communicated to the control unit 5 (14) of the control system for processing and management. Likewise, additional information can be received, for example, on the geodetic position (GPS) of the device (1) in the network, the existence or not of electrical contact between said device (1) and the metal core (2.1) of the cable conductor (2) to which it is mounted, among other useful information in the control of the electrical installation (13). 10

    The control unit (14) comprises a micro-controller (not shown in the figures) for the processing of the information received, information storage means (not shown in the figures), for example, of the historical records of measurements, as well as, means for communications (not shown in the figures), conforming an entire expert control system with self-learning capability and supported by architecture for Big-Data in Cloud Computing.

    Preferably, the sending and receiving of coded signals between the measuring device (1) and the control unit (14) of the remote control system of the electrical installation (13) is carried out by means of electric cable communication technology (PLC), However, other known forms of communication, whether wireless or wired, could be used.

    Thus, from the processing of all the information received in the control system, the control unit (14), remotely configures, calibrates and provides predictive maintenance for each of the measuring devices (1) that make up the system.

    From a conventional control and management panel (not shown in the figures), for example, with M2M technology for Big-Data, of the control unit (14), the following actions can be carried out:

    - automatic report generation,
    - automatic ad-hoc management in the presence of technical alarms detected by the measuring devices (1), 35
    - tele-management of loads, manually or automatically, by detecting the exceeding of predefined load limits, responding, for example, with the disconnection of some / some of the devices connected to the network,
    - consult historical records of stored measurements,
    - remote configuration and maintenance of measuring devices (1), 5
    - Other actions.

    These actions can even be visualized and managed by means of a portable electronic device, for example, laptop, tablet, smartphone, etc., which can be connected to said control and management panel, via local network or via the Internet. 10
    权利要求:
    Claims (15)
    [1]

    1.-Measuring device (1) of physical quantities on an electric conductor cable (2) with outer perimeter insulation (2.2), which comprises:
    - a housing (10) that can be mounted on the outside of the electric conductor cable 5 (2) through gripping and fixing means (10.1),
    - a metal punch (3), interlockable in the metal core (2.1) of the electric conductor cable (2), passing through the outer perimeter insulation (2.2) of said conductor cable (2), for taking measurements,
    - a printed circuit board (4) comprising a modem (5), which sends / receives data 10 through encoded signals,
    - an electronic sensor (6) and data processing, associated with the printed circuit board (4),
    characterized in that the metal punch (3) comprises a central portion (3.1) that fits tightly through a support base (7) of the metal punch (3), on the outside of said support base (7) the electronics of the sensorization (6) comprising chips encapsulated with modular multi-chip technology (MCM) for measuring physical quantities on the electrical conductor cable (2).

    [2]
    2. Device according to claim 1, wherein the sensor electronics (6) 20 comprise a thermal chip that performs temperature measurements on the electric conductor cable (2) at different depths according to the radius thereof.

    [3]
    3. Device according to any of the preceding claims, wherein the sensor electronics (6) comprise an accelerometer and gyro chip, which measures the vibrations transmitted by the electric conductor cable (2).

    [4]
    4. Device according to any of the preceding claims, wherein the sensing electronics (6) comprises an inductometer chip that measures the 3D magnetic field on the electric conductor cable (2) for magnetographic, analog and digital representation. .

    [5]
    5. Device according to any of the preceding claims, wherein the sensor electronics (6) comprises a magneto-resistive chip that measures values of the current flowing through the electrical conductor cable (2) as a function of the electrical resistance or 35
    impedance caused by the magnetic field induced by the current itself flowing through said electrical conductor cable (2).

    [6]
    6. Device according to any of the preceding claims, wherein the sensor electronics (6) comprises an electrical network analyzer chip that integrates measurements of voltage, intensity and waveform, measured in the electrical conductor cable (2) , including the corresponding harmonics and possible micro-power cuts.

    [7]
    7. Device according to any of the preceding claims, wherein the sensor electronics (6) comprises at least one chip that measures smoke, ionizing radiation, gases, liquids, solids, weight, pressure, humidity, flow, density, viscosity, colorimetry, and / or luminosity outside the electrical conductor cable (2).

    [8]
    8. Device according to claim 1, wherein the central portion (3.1) of the metal punch 15 (3) comprises a threaded section (3.11) that screws into the support base (7).

    [9]
    9. Device according to claim 1, wherein the metal punch (3) slides inside a conduit of dielectric material (8) with its free sharp end in the form of a "needle" which, when passing through the outer perimeter insulation (2.2) of the electric conductor cable 20 (2), forms a dielectric passageway for the metal punch (3) that connects the sensor electronics (6) with the metal core (2.1) of the conductor cable (2).

    [10]
    10. Device according to claim 9, wherein the conduit of dielectric material (8) is fired radially into the electrical conductor cable (2), crossing its outer perimeter insulation (2.2), when a pushing means is released (9).

    [11]
    11. Device according to claim 10, wherein the thrust means (9) is a spring (9.1) or a gas piston (9.2). 30

    [12]
    12. Device according to claim 1, wherein the gripping and fixing means (10.1) comprise a pivoting arm (10.11) in the form of a "hook" that hugs and retains the electric conductor cable (2) against a settlement (10.21 ) in the form of "V" of a housing body (10.2) of the housing (10). 35

    [13]
    13. Device according to claim 12, wherein the pivoting arm (10.11) is connected to the housing body (10.2) by means of a rotation shaft (10,111) with a locking mechanism (11) of the ratchet-toothed type , the locking mechanism (11) adjusts the mounting of the device (1) to the outer diameter of the electric conductor cable (2), allowing its solid and tight fixing. 5

    [14]
    14. Device according to claim 1, wherein the metal punch (3) comprises a drive head (3.2) adapted to receive a manual or automatic tool.
     10
    [15]
    15. Device according to claim 1, wherein the modem (5) comprises electric cable communication technology (PLC), and the coded signals are sent / received through the electric conductor cable (2) where the device is interlocked. metal punch (3).
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    同族专利:
    公开号 | 公开日
    ES2611994B1|2018-02-15|
    EP3376599A1|2018-09-19|
    US20180375226A1|2018-12-27|
    WO2017081348A1|2017-05-18|
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201531632A|ES2611994B1|2015-11-11|2015-11-11|MEASURING DEVICE FOR PHYSICAL MAGNITUDES ON ELECTRICAL DRIVING CABLES WITH EXTERNAL PERIMETER INSULATION|ES201531632A| ES2611994B1|2015-11-11|2015-11-11|MEASURING DEVICE FOR PHYSICAL MAGNITUDES ON ELECTRICAL DRIVING CABLES WITH EXTERNAL PERIMETER INSULATION|
    PCT/ES2016/070798| WO2017081348A1|2015-11-11|2016-11-10|Device for measuring physical magnitudes on electrical conductor cables with outer peripheral insulation|
    EP16863720.5A| EP3376599A1|2015-11-11|2016-11-10|Device for measuring physical magnitudes on electrical conductor cables with outer peripheral insulation|
    US15/775,586| US20180375226A1|2015-11-11|2016-11-10|A device for measuring physical quantities on electrical conductor cables with outer perimetral insulation|
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